<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="description" content="Whut"/>
    <title>测试界面</title>
</head>
<body>
<form action="./upload" method="post" enctype="multipart/form-data">选择文件:<input type="file" name="file"><input type="submit" value="提交">
</form>
</body>
</html>